Table 204 Examples Of Services - ZyXEL Communications P-2602HWLNI User Manual

A
P P E N D I X
The following table lists some commonly-used services and their associated protocols and port
numbers.
• Name: This is a short, descriptive name for the service. You can use this one or create a
different one, if you like.
• Protocol: This is the type of IP protocol used by the service. If this is TCP/UDP, then the
service uses the same port number with TCP and UDP. If this is USER-DEFINED, the
Port(s) is the IP protocol number, not the port number.
• Port(s): This value depends on the Protocol.
• If the Protocol is TCP, UDP, or TCP/UDP, this is the IP port number.
• If the Protocol is USER, this is the IP protocol number.
• Description: This is a brief explanation of the applications that use this service or the
situations in which this service is used.

Table 204 Examples of Services

NAME
AH
(IPSEC_TUNNEL)
AIM
AUTH
BGP
BOOTP_CLIENT
BOOTP_SERVER
CU-SEEME
DNS
ESP
(IPSEC_TUNNEL)
FINGER
FTP
P-2602HWLNI User's Guide
PROTOCOL PORT(S)
User-Defined 51
TCP 5190
TCP 113
TCP 179
UDP 68
UDP 67
TCP/UDP 7648
TCP/UDP 24032
TCP/UDP 53
User-Defined 50
TCP 79
TCP 20
TCP 21
E
Services
DESCRIPTION
The IPSEC AH (Authentication Header)
tunneling protocol uses this service.
AOL's Internet Messenger service.
Authentication protocol used by some
servers.
Border Gateway Protocol.
DHCP Client.
DHCP Server.
A popular videoconferencing solution from
White Pines Software.
Domain Name Server, a service that
matches web names (for instance
www.zyxel.com) to IP numbers.
The IPSEC ESP (Encapsulation Security
Protocol) tunneling protocol uses this
service.
Finger is a UNIX or Internet related
command that can be used to find out if a
user is logged on.
File Transfer Protocol, a program to enable
fast transfer of files, including large files that
may not be possible by e-mail.
475